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  #1  
Old 11-12-2007, 07:37 PM
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Join Date: Apr 2004
Location: Berkeley County, S.C.
Posts: 39
Unhappy 1990 190E 2.6 Tranny leaks-passenger side

Hello, my transmission on my 190E leaks on the passenger side where a big round metal seal is located, toward the front. This seal will move in and out and is attached with a metal locking ring. What is supposed to keep fluid from leaking out, an o-ring, a gasket, or what? At first I thought it was the pan gasket but it wasn't. I do all my own work but the transmission is foreign to me. Please help. Thanks.
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  #2  
Old 11-12-2007, 08:31 PM
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Join Date: Jan 2002
Location: NY
Posts: 500
Yes there is an o-ring. Would be easy to replace but there is a VERY strong spring behind the front round cover.
Mike
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  #3  
Old 11-13-2007, 08:57 PM
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Join Date: Apr 2004
Location: Berkeley County, S.C.
Posts: 39
Mike, I have an old transmission that I practiced on and the spring was strong just like you said. But I can push the outer metal cover in with my finger on the tranny that is leaking, it is just that easy. Does this indicate more problems than just an o-ring? Also, is the o-ring behind the round metal cover or in front of it?
thanks for your help!!!!!!!!!!
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  #4  
Old 11-13-2007, 10:50 PM
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Join Date: Jan 2002
Location: NY
Posts: 500
Look here for picture of the spring and more info:
B1 Piston Leak
The orange colored o-ring is in the groove in the bore around the cover.
Mike
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  #5  
Old 11-14-2007, 09:40 PM
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Join Date: Apr 2004
Location: Berkeley County, S.C.
Posts: 39
Thanks Mike, now how can I get a new o-ring? Where would I get the information on the transmission in order to make sure I get the proper o-ring? Like I said before, I'm lost on transmissions. Is it possible to take the old one to the parts store and match it with a replacement? Thanks again
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  #6  
Old 11-18-2007, 07:17 PM
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Join Date: Apr 2004
Location: Berkeley County, S.C.
Posts: 39
Smile

Mike, I was incorrect about the leak coming from the front of tranny. It was leaking from the large round metal cap towards the rear on the passenger side. I removed the cover and replace the orange o-ring and bingo, the leak stopped. Thanks for all you help. Oh yeah, I did it all without dropping the transmission at all. 190e2
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